Home / 707,812.20-1,059,968.70-469,866.60

Finding the Fourth Proportional to 707,812.20, 1,059,968.70 and 469,866.60

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Solution

The fourth proportional to 707,812.20, 1,059,968.70 and 469,866.60 is: 703,638.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,812.20 : 1,059,968.70 = 469,866.60 : x
  2. Step 2: Convert to fraction form
    707,812.20/1,059,968.70 = 469,866.60/x
  3. Step 3: Cross multiply
    707,812.20x = 1,059,968.70 × 469,866.60
  4. Step 4: Simplify right side
    707,812.20x = 498,043,889,175.42
  5. Step 5: Solve for x
    x = 498,043,889,175.42/707,812.20
  6. Step 6: Final answer
    x = 703,638.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.